Phase diversity ranging sensor

Details Phase diversity ranging sensor Phase diversity ranging sensor

2008-07-08

2008-07-08

Tarcza, Thomas H. (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

With photodetection

C356S004050, C356S004060

Reexamination Certificate

active

11507879

ABSTRACT:
A system to determine the distance to an object includes one or more aberrating elements to introduce aberration into light from the object. Image data is obtained at two different focus conditions, and used to determine the object distance.

REFERENCES:
patent: 4639140 (1987-01-01), Lerat
patent: 5576975 (1996-11-01), Sasaki et al.
patent: 6469838 (2002-10-01), Tawa et al.
patent: 6618349 (2003-09-01), Inoue et al.
patent: 2004/0179203 (2004-09-01), Straehle
patent: WO 2006082544 (2006-08-01), None
J.R. Fienup, “Phase retrieval algorithms: a comparison”, Applied Optics, vol. 21, No. 15, Aug. 1, 1982 (pp. 2758-2769).
J.R. Fienup, “Comparison of Phase Diversity and Curvature Wavefront Sensing”, SPIE Conference on Adaptive Optical System, Mar. 1998, SPIE vol. 3353 (pp. 930-940).
Mats Lofdahl, “A Predictor Approach to Closed-Loop Phase-Diversity Wavefront Sensing”, Royal Swedish Academy of Sciences, SPIE 4013-51, Germany, Mar. 2000 (pp. 1-12).
Stuart M. Jeffries, “Sensing Wave-front amplitude and phase with phase diversity”, Applied Optics, vol. 41, No. 11, Apr. 10, 2002 (pp. 2095-2102).
J.R. Fienup, “Phase Retrieval:Hubble and the James Webb Space Telescope”, The Institute of Optics, Mar. 2003 (pp. 1-22).
Heather I. Campbell, “Generlized Phase Diversity for Wave-Front Sensing”, Optical Society of America, vol. 29, No. 23, Dec. 1, 2004 (pp. 2707-2709).

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